.dropdown {
	position: relative;
	display: inline-block;
	margin-left: 4px;
	padding: 2px;
	min-width: 100px;
	height: 20px;
	border: 1px solid #ccc;
    border-radius: 4px;
    cursor: pointer;
}
 .dropdown i{
	position: absolute;
    font-size: 18px;
    right: 10px;
    bottom: 6px;
    transition: 0.3s;
    transform-origin: 50% 70%;
}
.dropdown .option{
	position: absolute;
    left: -1px;
    top: 23px;
    display: none;
    padding: 5px 2px 5px 2px;
    min-width: 96px;
    border: 1px solid gainsboro;
    background: #FAFAFA;
    z-index: 10;
}
.dropdown .option ul{
	overflow: auto;
	max-height: 250px;
} 
.dropdown .option ul li{
	margin: 2px 5px 10px 5px;
	cursor: pointer;
} 
.dropdown .option ul li:hover{
	color: #00B88D;
	font-weight: bold;
} 
.dropdown .rotate{
	transform: rotate(180deg);
}